Help with ducklings!

[PeckPeckChick]

I got two ducklings from TSC and I know one is a Pekin but I'm not sure what the other is.
The choices were Rouen, pekin, mallard, Khaki campbell, and blue swedish. Does anyone know what gender too? Thanks!

 

[Meljo1978]

Khaki Cambell and looks to me like a Drake.

 

[PeckPeckChick]

I got two ducklings from TSC and I know one is a Pekin but I'm not sure what the other is.
The choices were Rouen, pekin, mallard, Khaki campbell, and blue swedish. Does anyone know what gender too? Thanks!

Thanks!